Trace number 1081359

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
Sugar v1.13+picosatUNSAT 0.97885 1.05447

General information on the benchmark

Namecsp/queensKnights/
normalized-queensKnights-10-5-mul.xml
MD5SUMb79a35fdeb8af50a3cf1eaff121ab273
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.863868
Satisfiable
(Un)Satisfiability was proved
Number of variables15
Number of constraints105
Maximum constraint arity2
Maximum domain size100
Number of constraints which are defined in extension0
Number of constraints which are defined in intension105
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.05	c 0	Sugar v1-13 + HOME/picosat
0.00/0.05	c 0	BEGIN Sat Jul  5 02:11:04 2008
0.00/0.05	c 0	PID 21980
0.00/0.05	c 0	HOST node22.alineos.net
0.00/0.05	c 0	CONVERTING HOME/instance-1081359-1215216664.xml TO HOME/temp.csp
0.00/0.05	c 0	CMD java -Xmx700M -cp 'HOME/sugar-v1-13.jar' jp.ac.kobe_u.cs.sugar.XML2CSP 'HOME/instance-1081359-1215216664.xml' 'HOME/temp.csp'
0.03/0.25	c 0	2 domains, 15 variables, 4 predicates, 0 relations, 105 constraints
0.03/0.28	c 0	ENCODING HOME/temp.csp TO HOME/temp.cnf
0.03/0.28	c 0	CMD java -Xmx700M -cp 'HOME/sugar-v1-13.jar' jp.ac.kobe_u.cs.sugar.SugarMain -competition -encode 'HOME/temp.csp' 'HOME/temp.cnf' 'HOME/temp.map'
0.23/0.36	c 0	Parsing HOME/temp.csp
0.23/0.43	c 0	parsed 126 expressions
0.23/0.43	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 13 MB used (max 121 MB)
0.23/0.43	c 0	Converting to clausal form CSP
0.23/0.46	c 0	converted 13 (10%) expressions
0.23/0.47	c 0	converted 26 (20%) expressions
0.23/0.49	c 0	converted 38 (30%) expressions
0.23/0.50	c 0	converted 51 (40%) expressions
0.23/0.52	c 0	converted 63 (50%) expressions
0.23/0.53	c 0	converted 76 (60%) expressions
0.23/0.54	c 0	converted 89 (70%) expressions
0.23/0.54	c 0	converted 101 (80%) expressions
0.23/0.60	c 0	converted 114 (90%) expressions
0.23/0.61	c 0	converted 126 (100%) expressions
0.23/0.62	c 0	CSP : 35 integers, 55 booleans, 320 clauses, largest domain size 100
0.23/0.62	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 14 MB used (max 121 MB)
0.23/0.62	c 0	Propagation in CSP
0.23/0.62	c 0	0 values, 0 unsatisfiable literals, and 0 valid clauses are removed
0.23/0.62	c 0	CSP : 35 integers, 55 booleans, 320 clauses, largest domain size 100
0.23/0.62	c 0	Heap : 1 MB used (max 728 MB), NonHeap : 14 MB used (max 121 MB)
0.23/0.63	c 0	Simplifing CSP by introducing new Boolean variables
0.23/0.64	c 0	CSP : 35 integers, 383 booleans, 648 clauses, largest domain size 100
0.23/0.64	c 0	Heap : 0 MB used (max 728 MB), NonHeap : 14 MB used (max 121 MB)
0.23/0.66	c 0	Encoding CSP to SAT : HOME/temp.cnf
0.23/0.67	c 0	4 (10%) CSP integer variables are encoded (32 clauses, 336 bytes)
0.23/0.67	c 0	7 (20%) CSP integer variables are encoded (56 clauses, 552 bytes)
0.23/0.67	c 0	11 (30%) CSP integer variables are encoded (178 clauses, 1829 bytes)
0.23/0.68	c 0	14 (40%) CSP integer variables are encoded (472 clauses, 5063 bytes)
0.23/0.68	c 0	18 (50%) CSP integer variables are encoded (594 clauses, 6405 bytes)
0.23/0.68	c 0	21 (60%) CSP integer variables are encoded (618 clauses, 6669 bytes)
0.23/0.68	c 0	25 (70%) CSP integer variables are encoded (650 clauses, 7021 bytes)
0.23/0.68	c 0	28 (80%) CSP integer variables are encoded (674 clauses, 7285 bytes)
0.23/0.68	c 0	32 (90%) CSP integer variables are encoded (706 clauses, 7637 bytes)
0.23/0.68	c 0	35 (100%) CSP integer variables are encoded (730 clauses, 7901 bytes)
0.23/0.69	c 0	65 (10%) CSP clauses are encoded (1092 clauses, 12393 bytes)
0.23/0.70	c 0	130 (20%) CSP clauses are encoded (3363 clauses, 45303 bytes)
0.23/0.71	c 0	195 (30%) CSP clauses are encoded (3727 clauses, 50241 bytes)
0.23/0.71	c 0	260 (40%) CSP clauses are encoded (4114 clauses, 55498 bytes)
0.23/0.71	c 0	324 (50%) CSP clauses are encoded (4508 clauses, 60867 bytes)
0.23/0.71	c 0	389 (60%) CSP clauses are encoded (4935 clauses, 66879 bytes)
0.23/0.72	c 0	454 (70%) CSP clauses are encoded (5371 clauses, 73277 bytes)
0.23/0.72	c 0	519 (80%) CSP clauses are encoded (5825 clauses, 80073 bytes)
0.23/0.73	c 0	584 (90%) CSP clauses are encoded (6624 clauses, 93130 bytes)
0.23/0.73	c 0	648 (100%) CSP clauses are encoded (7598 clauses, 109257 bytes)
0.23/0.73	c 0	648 CSP clauses encoded
0.23/0.73	c 0	Writing map file : HOME/temp.map
0.23/0.74	c 0	Heap : 1 MB used (max 728 MB), NonHeap : 14 MB used (max 121 MB)
0.23/0.74	c 0	SAT : 1148 SAT variables, 7598 SAT clauses, 109257 bytes
0.23/0.74	c 0	Heap : 1 MB used (max 728 MB), NonHeap : 14 MB used (max 121 MB)
0.23/0.75	c 0	SOLVING HOME/temp.cnf
0.23/0.75	c 0	CMD HOME/picosat 'HOME/temp.cnf' -o 'HOME/temp.out'
0.68/0.93	c 1	DECODING HOME/temp.out WITH HOME/temp.map
0.68/0.93	c 1	CMD java -Xmx700M -cp 'HOME/sugar-v1-13.jar' jp.ac.kobe_u.cs.sugar.SugarMain -competition -decode 'HOME/temp.out' 'HOME/temp.map'
0.92/1.01	c 1	Decoding HOME/temp.out
0.92/1.03	s UNSATISFIABLE
0.92/1.03	c 1	Heap : 0 MB used (max 728 MB), NonHeap : 13 MB used (max 121 MB)
0.92/1.05	c 1	CPU 0.82 (0.03 0.01 0.79 0.13)
0.92/1.05	c 1	END Sat Jul  5 02:11:05 2008

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1081359-1215216664/watcher-1081359-1215216664 -o /tmp/evaluation-result-1081359-1215216664/solver-1081359-1215216664 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/sugar -c -vv -java=java -Xmx700M -jar=HOME/sugar-v1-13.jar -solver=HOME/picosat -tmp=HOME/temp HOME/instance-1081359-1215216664.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2200 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.08 2.03 2.00 4/93 21980
/proc/meminfo: memFree=1700136/2055920 swapFree=4180256/4192956
[pid=21980] ppid=21978 vsize=18572 CPUtime=0
/proc/21980/stat : 21980 (runsolver) R 21978 21980 19938 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 2000640514 19017728 292 996147200 4194304 4296836 548682068272 18446744073709551615 272467815719 0 0 4096 24578 0 0 0 17 1 0 0
/proc/21980/statm: 4643 292 257 25 0 2626 0

[startup+0.0960521 s]
/proc/loadavg: 2.08 2.03 2.00 4/93 21980
/proc/meminfo: memFree=1700136/2055920 swapFree=4180256/4192956
[pid=21980] ppid=21978 vsize=13600 CPUtime=0.03
/proc/21980/stat : 21980 (sugar) S 21978 21980 19938 0 -1 4194304 900 127 0 0 3 0 0 0 19 0 1 0 2000640514 13926400 796 996147200 4194304 4206940 548682068608 18446744073709551615 272476713058 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/21980/statm: 3400 796 370 3 0 500 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 13600

[startup+0.102048 s]
/proc/loadavg: 2.08 2.03 2.00 4/93 21980
/proc/meminfo: memFree=1700136/2055920 swapFree=4180256/4192956
[pid=21980] ppid=21978 vsize=13600 CPUtime=0.03
/proc/21980/stat : 21980 (sugar) S 21978 21980 19938 0 -1 4194304 900 127 0 0 3 0 0 0 19 0 1 0 2000640514 13926400 796 996147200 4194304 4206940 548682068608 18446744073709551615 272476713058 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/21980/statm: 3400 796 370 3 0 500 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 13600

[startup+0.301082 s]
/proc/loadavg: 2.08 2.03 2.00 4/93 21980
/proc/meminfo: memFree=1700136/2055920 swapFree=4180256/4192956
[pid=21980] ppid=21978 vsize=13600 CPUtime=0.23
/proc/21980/stat : 21980 (sugar) S 21978 21980 19938 0 -1 4194304 956 4109 0 1 3 0 17 3 16 0 1 0 2000640514 13926400 797 996147200 4194304 4206940 548682068608 18446744073709551615 272476713058 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/21980/statm: 3400 797 370 3 0 500 0
Current children cumulated CPU time (s) 0.23
Current children cumulated vsize (KiB) 13600

[startup+0.702138 s]
/proc/loadavg: 2.08 2.03 2.00 4/93 21980
/proc/meminfo: memFree=1700136/2055920 swapFree=4180256/4192956
[pid=21980] ppid=21978 vsize=13600 CPUtime=0.23
/proc/21980/stat : 21980 (sugar) S 21978 21980 19938 0 -1 4194304 974 4109 0 1 3 0 17 3 15 0 1 0 2000640514 13926400 797 996147200 4194304 4206940 548682068608 18446744073709551615 272476713058 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/21980/statm: 3400 797 370 3 0 500 0
Current children cumulated CPU time (s) 0.23
Current children cumulated vsize (KiB) 13600

Solver just ended. Dumping a history of the last processes samples

[startup+0.902165 s]
/proc/loadavg: 2.08 2.03 2.00 4/93 21980
/proc/meminfo: memFree=1700136/2055920 swapFree=4180256/4192956
[pid=21980] ppid=21978 vsize=13600 CPUtime=0.68
/proc/21980/stat : 21980 (sugar) S 21978 21980 19938 0 -1 4194304 1021 10550 0 2 3 0 58 7 16 0 1 0 2000640514 13926400 797 996147200 4194304 4206940 548682068608 18446744073709551615 272476713058 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/21980/statm: 3400 797 370 3 0 500 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 13600

[startup+1.00219 s]
/proc/loadavg: 2.08 2.03 2.00 4/104 22014
/proc/meminfo: memFree=1693968/2055920 swapFree=4180256/4192956
[pid=21980] ppid=21978 vsize=13600 CPUtime=0.86
/proc/21980/stat : 21980 (sugar) S 21978 21980 19938 0 -1 4194304 1068 11024 0 2 3 1 71 11 16 0 1 0 2000640514 13926400 797 996147200 4194304 4206940 548682068608 18446744073709551615 272476713058 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/21980/statm: 3400 797 370 3 0 500 0
[pid=22005] ppid=21980 vsize=5356 CPUtime=0
/proc/22005/stat : 22005 (sh) S 21980 21980 19938 0 -1 4194304 278 0 0 0 0 0 0 0 18 0 1 0 2000640607 5484544 233 996147200 4194304 4889804 548682068768 18446744073709551615 272467813188 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/22005/statm: 1339 233 193 169 0 50 0
[pid=22006] ppid=22005 vsize=863720 CPUtime=0.06
/proc/22006/stat : 22006 (java) S 22005 21980 19938 0 -1 0 2945 0 1 0 4 2 0 0 18 0 9 0 2000640607 884449280 2466 996147200 134512640 134550740 4294956000 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/22006/statm: 215930 2466 1535 9 0 210512 0
[pid=22006/tid=22007] ppid=22005 vsize=863720 CPUtime=0.04
/proc/22006/task/22007/stat : 22007 (java) R 22005 21980 19938 0 -1 64 2047 0 1 0 3 1 0 0 18 0 9 0 2000640608 884449280 2466 996147200 134512640 134550740 4294956000 18446744073709551615 103888590 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=22006/tid=22008] ppid=22005 vsize=863720 CPUtime=0
/proc/22006/task/22008/stat : 22008 (java) S 22005 21980 19938 0 -1 64 4 0 0 0 0 0 0 0 19 0 9 0 2000640609 884449280 2466 996147200 134512640 134550740 4294956000 18446744073709551615 4294960144 0 0 0 16800975 0 0 0 -1 1 0 0
[pid=22006/tid=22009] ppid=22005 vsize=863720 CPUtime=0
/proc/22006/task/22009/stat : 22009 (java) S 22005 21980 19938 0 -1 64 10 0 0 0 0 0 0 0 19 0 9 0 2000640609 884449280 2466 996147200 134512640 134550740 4294956000 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=22006/tid=22010] ppid=22005 vsize=863720 CPUtime=0
/proc/22006/task/22010/stat : 22010 (java) S 22005 21980 19938 0 -1 64 4 0 0 0 0 0 0 0 20 0 9 0 2000640609 884449280 2466 996147200 134512640 134550740 4294956000 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=22006/tid=22011] ppid=22005 vsize=863720 CPUtime=0
/proc/22006/task/22011/stat : 22011 (java) S 22005 21980 19938 0 -1 64 1 0 0 0 0 0 0 0 18 0 9 0 2000640611 884449280 2466 996147200 134512640 134550740 4294956000 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=22006/tid=22012] ppid=22005 vsize=863720 CPUtime=0
/proc/22006/task/22012/stat : 22012 (java) R 22005 21980 19938 0 -1 64 203 0 0 0 0 0 0 0 19 0 9 0 2000640611 884449280 2466 996147200 134512640 134550740 4294956000 18446744073709551615 103776626 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=22006/tid=22013] ppid=22005 vsize=863720 CPUtime=0
/proc/22006/task/22013/stat : 22013 (java) S 22005 21980 19938 0 -1 64 1 0 0 0 0 0 0 0 19 0 9 0 2000640611 884449280 2466 996147200 134512640 134550740 4294956000 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=22006/tid=22014] ppid=22005 vsize=863720 CPUtime=0
/proc/22006/task/22014/stat : 22014 (java) S 22005 21980 19938 0 -1 64 0 0 0 0 0 0 0 0 20 0 9 0 2000640611 884449280 2466 996147200 134512640 134550740 4294956000 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 0.92
Current children cumulated vsize (KiB) 882676

Child status: 0
Real time (s): 1.05447
CPU time (s): 0.97885
CPU user time (s): 0.830873
CPU system time (s): 0.147977
CPU usage (%): 92.8283
Max. virtual memory (cumulated for all children) (KiB): 882676

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.830873
system time used= 0.147977
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15775
page faults= 3
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 954
involuntary context switches= 824

runsolver used 0.004999 second user time and 0.014997 second system time

The end

Launcher Data (download as text)

Begin job on node22 at 2008-07-05 02:11:04
IDJOB=1081359
IDBENCH=57093
IDSOLVER=345
FILE ID=node22/1081359-1215216664
PBS_JOBID= 7881703
Free space on /tmp= 66440 MiB

SOLVER NAME= Sugar v1.13+picosat
BENCH NAME= CPAI08/csp/queensKnights/normalized-queensKnights-10-5-mul.xml
COMMAND LINE= DIR/sugar -c -vv -java="java -Xmx700M" -jar="DIR/sugar-v1-13.jar" -solver="DIR/picosat" -tmp="TMPDIR/temp" BENCHNAME
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1081359-1215216664/watcher-1081359-1215216664 -o /tmp/evaluation-result-1081359-1215216664/solver-1081359-1215216664 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/sugar -c -vv -java="java -Xmx700M" -jar="HOME/sugar-v1-13.jar" -solver="HOME/picosat" -tmp="HOME/temp" HOME/instance-1081359-1215216664.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= b79a35fdeb8af50a3cf1eaff121ab273
RANDOM SEED=2138709061

node22.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.267
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.267
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1700616 kB
Buffers:         31144 kB
Cached:         163576 kB
SwapCached:       6356 kB
Active:         247808 kB
Inactive:        52192 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1700616 kB
SwapTotal:     4192956 kB
SwapFree:      4180256 kB
Dirty:            1368 kB
Writeback:           0 kB
Mapped:         121888 kB
Slab:            40008 kB
Committed_AS:  4047296 kB
PageTables:       2116 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66440 MiB
End job on node22 at 2008-07-05 02:11:05